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Expanding my loop

post #1 of 4
Thread Starter 
My current loop is as follows:

Black Ice GTX 360 -> Heatkiller on q6600 -> EK on 5850 -> microres -> 355 pump

My current idle temps are around 36c on the CPU and 28c on the GPU. Load temps have the CPU in the mid 50s and GPU in the low 40s. I have 3 high speed yate loons in a push configuration on my radiator. My 5850 is overclocked to 1ghz core, and my second will be as well.


A few days ago I bought a second 5850 with an EK water block to match my current one, and it's in the mail, should be here Friday. I think that my temps will still be manageable if I just simply add the new card into my loop directly after the first one, but I'm not entirely sure of a couple of things.

1) Will the added restriction be too much for a single 355? I have an extra 355 pump laying around, but don't have a top for it...since I'd have to buy one anyway, I've considered buying one of those XSPC dual pump tops to help push through this new block and potentially more rads.

2) Will my temps be too high for just a 360 rad? Will I need to add more radiator? Should I first try a push/pull configuration for the rad I already have before spending the money to buy another rad or two?
-I considered mounting a 240mm rad on my side panel, and/or a 120mm rad in my rear exhaust. I've seen both of these done in the HAF 932, but if I don't need to spend the money on more rads I'd rather not.

3) Will my power supply (see sig) be enough to handle 2 5850s and a q6600 overclocked aggressively, along with 2 355 pumps, 4 HDDs, an SSD, 7 fans, lights, fan controller, and numerous USB devices? The only new thing I'm definitely adding is a second 5850, and will possibly add a second 355.

4) What's the best method of connecting the two video cards in the water loop? I like the looks of those fancy bridges that EK makes, but it seems awfully expensive (2 links plus the bridge is around 50 bucks). I could also just run a short tube from one block to the other, but I'd still have to buy a couple of fittings to go in between the cards. Or, I've also seen simple metal pipes that connect the two VGA water blocks.


Sorry for the barrage of questions, just trying to be as prepared as possible for my new setup =D
    
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post #2 of 4
Quote:
Originally Posted by xArchAngelZerox View Post
1) Will the added restriction be too much for a single 355?
No. The 355 is a beast and will have no problem coping with your loop, especially if you have a top for it.

Quote:
Originally Posted by xArchAngelZerox View Post
2) Will my temps be too high for just a 360 rad? Will I need to add more radiator? Should I first try a push/pull configuration for the rad I already have before spending the money to buy another rad or two?
Should be fine, it depends on what you are after really. I would run it with the rad you have for now, temps are not going to go up by much. If you feel the need for more performance later then you can go push / pull or add more rad.

Edit: Unless your temps are really bad I would go for push / pull first, then look at more rads. If push / pull works then you will have saved some money (depending on the fans you use!), if it doesn't work then you can always use the extra fans on your new rad. /edit


Not great on PSUs so I will skip to:

Quote:
Originally Posted by xArchAngelZerox View Post
4) What's the best method of connecting the two video cards in the water loop?
The EK links are sexy but costly.

The straight links can be cheaper than tubing, and look decent, but will only work if your GPU block ports match up.

The fittings / tubing method is cheap, can look messy but works.

Your choice, depends on budget and looks.
Edited by GingerJohn - 4/24/11 at 10:14pm
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post #3 of 4
Thread Starter 
Are there any of those metal links that are any better than the other? Any that I should avoid?

Edit: also, is there any performance difference in cooling between the EK bridges and the metal links, or tubing? I know that the EK bridge has something like 8 right angles in it...
    
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post #4 of 4
Your PSU should be just fine. See my system on a 650w for example.
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